Author Topic: MS180-c sluggish not running well  (Read 352 times)

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Offline weimedog

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MS180-c sluggish not running well
« on: August 26, 2014, 06:47:22 pm »
It was really bad, so I did the typical carb kit deal. Now its just sluggish.....then will pick up RPMS for about 4 seconds then drops 500 rpms and stays there...
Can't adjust that carb.... so what are the options with those POS's??? Fuel line looks good but I will replace it anyway.

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Offline 660magnum

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Re: MS180-c sluggish not running well
« Reply #1 on: August 26, 2014, 07:25:13 pm »
Some of those Chinese $12 carbs look as though they may have recessed H&L screws?
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Offline 660magnum

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Re: MS180-c sluggish not running well
« Reply #2 on: August 26, 2014, 07:34:51 pm »
There are even some true twin needle Walbro's on Ebay
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Offline weimedog

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Re: MS180-c sluggish not running well
« Reply #3 on: August 26, 2014, 07:36:52 pm »
didn't see any but I might as well tear it apart again.... nothing lose as it's not right. Might see if the muffler is clogged. The nuts were rusted on so I was afraid to break them loose as it might damage more than I want to fix..:)

Offline brokenbudget

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Offline 660magnum

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Re: MS180-c sluggish not running well
« Reply #5 on: August 26, 2014, 08:02:41 pm »
The Genuine Stihl WT215 is only $22.50 at the Stihl Dealer
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Offline weimedog

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Re: MS180-c sluggish not running well
« Reply #6 on: August 26, 2014, 08:06:50 pm »
There are even some true twin needle Walbro's on Ebay

I see a bunch on eBay.. now! That might be an approach. Huztl..   :)  a 10 dollar versions.

Offline 660magnum

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Re: MS180-c sluggish not running well
« Reply #7 on: August 26, 2014, 08:15:28 pm »
I have a couple Stihl 025's with Stihl Walbro WT215's.

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Offline weimedog

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Re: MS180-c sluggish not running well
« Reply #8 on: September 13, 2014, 09:38:41 pm »
Put that Chinese carb on the MS180... and it is somewhat better. Starts easily and idles nice. It does pick up RPM's better than it did (after tuning) but its max rpm where it run's well is around 12,500. So it moved in the right direction.... But I've seen other posts where they should twist to 14k.

Think the Chinese carb has allowed me to tune around another issue... A puzzle. Possibly ignition. And another possibility... air leak around the bearing cap/cylinder? intake boot? Think its coming apart tomorrow.

(Had to die grind a "slot" where the throttle rod goes, pop the ball bearing out of the hole for pulse, block the OTHER hole with epoxy, grind a bit off the post for the idle adjustment screw, and poked some holes so I could tune it with the cover on)

Offline jmester

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Re: MS180-c sluggish not running well
« Reply #9 on: September 14, 2014, 07:37:27 am »
Did you check the spark arrester screen to make sure it is not plugged up.
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